/* Variabili CSS per personalizzare colori e stili */
    :root {
      --primary-color: #1976D2;      /* Blu principale */
      --accent-color: #D32F2F;       /* Rosso per accenti */
      --background-color: #E3F2FD;   /* Azzurro chiaro */
      --text-color: #333333;
      --navbar-bg: rgba(25,118,210,0.8); /* Navbar semi trasparente */
      --header-overlay: rgba(0, 0, 0, 0.6);
    }
    
    /* Stili globali */
    body {
      font-family: 'Open Sans', sans-serif;
      background-color: var(--background-color);
      color: var(--text-color);
      margin: 0;
      padding: 0;
      line-height: 1.6;
    }
    
    h1, h2, h3, .section-title {
      font-family: 'Roboto', sans-serif;
      margin: 0;
      padding-bottom: 1rem;
    }
    
    /* Navbar */
    .nav-wrapper {
      padding: 0 2rem;
    }
    nav {
      background-color: var(--navbar-bg) !important;
    }
    .brand-logo {
      font-size: 1.8rem;
      font-weight: 700;
      color: var(--accent-color) !important;
      display: flex;
      align-items: center;
    }
    .brand-logo img {
      max-height: 50px;
      margin-right: 0.5rem;
    }
    ul.right li a {
      color: var(--background-color) !important;
      font-weight: 600;
      text-transform: uppercase;
      margin: 0 0.8rem;
      letter-spacing: 0.5px;
    }
    ul.right li a:hover {
      color: var(--accent-color) !important;
    }
    
    /* Hero Section – Parallax header */
    .hero {
      position: relative;
      height: 100vh;
      background: url('https://source.unsplash.com/1600x900/?dentist,smile') no-repeat center center/cover;
    }
    .hero::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: var(--header-overlay);
      z-index: 1;
    }
    .hero-content {
      position: relative;
      z-index: 2;
      text-align: center;
      padding: 0 2rem;
      top: 50%;
      transform: translateY(-50%);
      color: white;
    }
    .hero-content h1 {
      font-size: 4rem;
      margin-bottom: 20px;
      color: var(--accent-color);
    }
    .hero-content p {
      font-size: 1.5rem;
      margin-bottom: 30px;
    }
    
    /* Section – Generali */
    section {
      padding: 80px 0;
    }
    .section-container {
      width: 90%;
      max-width: 1200px;
      margin: 0 auto;
    }
    
    /* About Section */
    #about .row {
      align-items: center;
    }
    #about img {
      width: 100%;
      border-radius: 8px;
      box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    }
    #about .about-text {
      font-size: 1.2rem;
      padding: 1rem;
    }
    
    /* Servizi Section - Cards */
    #services .card {
      transition: box-shadow 0.3s ease, transform 0.3s ease;
    }
    #services .card:hover {
      box-shadow: 0 8px 16px rgba(0,0,0,0.15);
      transform: translateY(-5px);
    }
    #services .card .card-image img {
      height: 200px;
      object-fit: cover;
    }
    #services .card .card-content h5 {
      color: var(--primary-color);
      font-weight: 700;
      margin-top: 0;
    }
    
    /* Appointment Section */
    #appointment .input-field label {
      color: var(--primary-color);
    }
    #appointment .btn {
      background-color: var(--accent-color);
    }
    
    /* Testimonials Section */
    #testimonials .carousel .carousel-item {
      width: 90%;
    }
    #testimonials .carousel .carousel-item h5 {
      font-style: italic;
      color: var(--text-color);
    }
    #testimonials .carousel .carousel-item p {
      margin-top: 10px;
      font-size: 0.9rem;
      color: var(--primary-color);
    }
    
    /* Contact Section */
    #contact .contact-icons i {
      font-size: 2rem;
      color: var(--primary-color);
      margin-bottom: 10px;
    }
    
    /* Newsletter Section */
    #newsletter .input-field input[type=email] {
      border-bottom: 1px solid var(--primary-color);
    }
    
    /* Footer */
    .page-footer {
      background-color: var(--footer-bg);
      color: #bdc3c7;
    }
    .page-footer a {
      color: var(--accent-color);
      margin: 0 10px;
      font-size: 1.3rem;
    }
    
    /* Responsive adjustments */
    @media (max-width: 600px) {
      .hero-content h1 {
        font-size: 3rem;
      }
      .hero-content p {
        font-size: 1.2rem;
      }
    }
